Home / 13,765.09-18,967.45-10,578.22

Finding the Fourth Proportional to 13,765.09, 18,967.45 and 10,578.22

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Solution

The fourth proportional to 13,765.09, 18,967.45 and 10,578.22 is: 14,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.09 : 18,967.45 = 10,578.22 : x
  2. Step 2: Convert to fraction form
    13,765.09/18,967.45 = 10,578.22/x
  3. Step 3: Cross multiply
    13,765.09x = 18,967.45 × 10,578.22
  4. Step 4: Simplify right side
    13,765.09x = 200,641,711.21
  5. Step 5: Solve for x
    x = 200,641,711.21/13,765.09
  6. Step 6: Final answer
    x = 14,576.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.